Diagnosis
You have specified a hierarchy structure and, when necessary, aselection characteristic to transfer a master data hierarchy into aplanning hierarchy.
The combinations of master data hierarchy entries are created,depending on the hierarchy structure and selection characteristics,using a function module. The name of the function module is defined ina customizing table (TWISPC_FBMDHIE).
No function module is stored in this table for the combination ofhierarchy structure and selection characteristics that you specified.

System Response
The system cannot create the planning hierarchy.

Procedure
Check you entries and, if necessary, maintain the assignment of thecorresponding function modules for the hierarchy structure and thestructure for the selection characteristics. You do this in transactionCMMAP02.